X-Git-Url: http://git.localhorst.tv/?p=space.git;a=blobdiff_plain;f=src%2Fai%2FAutopilot.h;fp=src%2Fai%2FAutopilot.h;h=1a814e6c6aaf01de9283746e7db8fe82137d61f3;hp=b15448ea3a117be6469cd533b38be7c96c6275e0;hb=501ffe20da16eaab69e668871001f735697c4a42;hpb=1cb5ed22d7772abe6f9893be90f26f46dbde39f7

diff --git a/src/ai/Autopilot.h b/src/ai/Autopilot.h
index b15448e..1a814e6 100644
--- a/src/ai/Autopilot.h
+++ b/src/ai/Autopilot.h
@@ -20,13 +20,54 @@ public:
 
 	void Render(Canvas &, const Camera &) const;
 
+private:
+	// velocity is so small that the next integration makes no difference
+	bool StandingStill() const;
+	// can halt within the current frame
+	bool ReallySlow() const;
+	// can halt within one second
+	bool Slow() const;
+
+	// pointing exactly at target
+	bool FacingTarget() const;
+	// pointing exactly away from target
+	bool FacingOpposite() const;
+	// ship pointing in direction of given normalized vector
+	bool Facing(Vector<float>) const;
+	bool OnTarget() const;
+
+	float Speed() const;
+	float Distance() const;
+	float DistanceToHalt() const;
+	bool ReallyClose() const;
+	bool InBrakingDistance() const;
+	bool FarAway() const;
+
+	float TargetVelAngle() const;
+
+	// point the ship towards the target
+	void FaceTarget();
+	// point ship into direction of given normalized vector
+	void Face(Vector<float>);
+	// stop the ship asap
+	void Halt();
+	// accelerate if it improves moving in given normalized direction
+	void AccelerateAlong(Vector<float>);
+
 private:
 	Ship *ctrl;
 	const Vector<float> *target;
 
-	// cache members for debug drawing
-	Vector<float> planFrom;
-	Vector<float> planTo;
+	float dt;
+
+	Vector<float> dp;
+	float dist;
+	Vector<float> normDP;
+
+	float speed;
+	Vector<float> normVel;
+
+	Vector<float> proj;
 
 };